Originally Posted by
faffer
Will the Neos work on a Swift? I thought they needed a mounting point ahead of the usual spot.
True, plus the Neos has a flat top to stop it from twisting forward under chain tension. This is different from most derailleurs which rests against the tab in the derailleur hanger.
Plus the neos 2.0 (8-speed) is a weighty 320g. Compare with 105 RD @220g.